Stock-based Compensation Plans - Options Outstanding and Exercisable (Details) (USD $)	3 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Jun. 30, 2012
Stock-Based Compensation Plans [Abstract]
Exercise Prices (in dollars per share)	$ 12.50
Number Outstanding	76,436	87,400	101,700	103,700
Weighted Average Remaining Contractual Life (in years)	5 years
Weighted Average Exercise Price (in dollars per share)	$ 12.50		$ 12.50